
Here is the first C# application and lets have a fun.
1. Select New project from the menu through Windows application icon.
2. Select a name such as "Example1"
3. Click OK.
Now double click on the Program.cs in the solution explorer to see the generated code.
Double click on the Form1.cs in the solution explorer first.Then drag a button from the Toolbox to the Form.Next add a TextBox control using some basic procedure.Now align the Button and TextBox.

Close the window and double click on the Button, go to the button_click function.
Now add the following code.
TextBox1.text = "hello, world";
Here TextBox1 is the name of the textbox that is added to the form. Select the Button and TextBox > go to the properties to see or change the name.
Now save and run the application by pressing Ctrl+F5 and click on the Button. TextBox will show "hello, world".
This is the first basic C# application . HAVE FUN :)